# a=2020409
# b=a//100%10
# c=3/2
# print(int(c))
import decimal,math
print(decimal.Decimal(1.01))
print(decimal.Decimal(5))
print(math.ceil(3.2))
print(math.floor(3.6))

def v():
    B=2
    return B
def a():
    def b():
        bbb=v()
        print(bbb)
    b()
a()
with open('test.txt','wr'):
    pass